TinyMCE: improve handling of Read More and Nextpage tags. See #24067, fixes #16239.

git-svn-id: http://develop.svn.wordpress.org/trunk@26941 602fd350-edb4-49c9-b593-d223f7449a82
TinyMCE: add/remove the 'alignnone' class when aligning images without captions. See #24067.

git-svn-id: http://develop.svn.wordpress.org/trunk@26942 602fd350-edb4-49c9-b593-d223f7449a82
Remove unnecessary sprintf(). props jdgrimes. fixes #25489.

git-svn-id: http://develop.svn.wordpress.org/trunk@26943 602fd350-edb4-49c9-b593-d223f7449a82
Test framework: Override PHPMailer during installation.

props bpetty.
fixes #26836.


git-svn-id: http://develop.svn.wordpress.org/trunk@26944 602fd350-edb4-49c9-b593-d223f7449a82
TinyMCE: fix `send_to_editor()`. It no longer needs to replace shortcode strings with html placeholers before inserting them in the editor. This is handled properly by the editor's `'BeforeSetContent'` event callbacks. See #24067.

git-svn-id: http://develop.svn.wordpress.org/trunk@26945 602fd350-edb4-49c9-b593-d223f7449a82
RTL: Flip half-star star ratings.

props SergeyBiryukov.
fixes #26814.


git-svn-id: http://develop.svn.wordpress.org/trunk@26952 602fd350-edb4-49c9-b593-d223f7449a82
TinyMCE: remove the 'spellchecker' plugin. It has been disabled for a while and the back-end currently doesn't work. See #24067.

git-svn-id: http://develop.svn.wordpress.org/trunk@26958 602fd350-edb4-49c9-b593-d223f7449a82
Don't let Quick Draft ignore default comment_status and ping_status.

props kovshenin.
fixes #26722.


git-svn-id: http://develop.svn.wordpress.org/trunk@26959 602fd350-edb4-49c9-b593-d223f7449a82
The comment screen hides the author column at narrow screen sizes; this adds back the author info above the comment content. Fixes #26618, props SergeyBiryukov, nacin.



git-svn-id: http://develop.svn.wordpress.org/trunk@26961 602fd350-edb4-49c9-b593-d223f7449a82
Widgets: fix scaling of extra-wide widgets on 480px and 320px devices, fixes #26701 for trunk.

git-svn-id: http://develop.svn.wordpress.org/trunk@26963 602fd350-edb4-49c9-b593-d223f7449a82